… -like framework is the IP Multimedia Subsystem (IMS), a key … platform, we perform a stochastic
assessment of a softwarized … by modeling each softIMS node as an M/G/c system; ii) an …

… First, we describe a vIMS system as a chain of virtualized network elements modeled by …
Subsequently, we model the probabilistic behavior of the network nodes by Stochastic Reward …

… An availability analysis of a generic container-based deployment is offered in [10], where
the authors adopt a stochastic modeling approach for the availability evaluation of a single …

… In the perspective of the number of call set-up sessions as a performance metric, the system
to be evaluated is a series–parallel one with flow dispersion 9 and the stochastic process …

… infrastructures (eg IP Multimedia Subsystem elected here as a … stochastic models of SFCs
based on the SRN (Stochastic … , or modifying the underlying SRN models for advanced users; iii…

… as the IP Multimedia Subsystem (IMS). The NFV concept is evolving towards a lightweight
solution based on containers that, by contrast to classic virtual machines, do not carry a whole …

… logical interconnections among cIMS subsystems, benefits from Reliability … stochastic
behavior of single cIMS subsystems that undergo failure and repair events, benefits from Stochastic …

… nodes, and Stochastic Reward Networks (SRN) to model the internal structure of each node
… softwarized chain constituted by an IP Multimedia Subsystem deployed in a container-based …

… are concerned with stochastic DES, ie, the state of the system becomes a stochastic process
due … Thus, a probabilistic framework is required to describe the system behavior. The most …

… Both of Queuing Networks and Stochastic Petri Nets are the … traffic in the IP Multimedia System
is characterized by Poisson … system components and resources to respective QPN model …